CN208634970U - A kind of low-voltage LED filament lamp string - Google Patents

Abstract

The utility model provides a kind of low-voltage LED filament lamp string, it include: power supply, multiple LED filament light bulbs, the conducting wire for connecting to power supply multiple LED filament light bulbs, the LED filament light bulb includes: LED filament, the lamp cap for the LED filament to be connect with the conducting wire, the lampshade being connected and fixed with the lamp cap, LED filament includes multiple LED wafers, first support and second support, LED wafer is connected and fixed with first support and/or second support, and first support and second support extend outward the first pin and second pin from photic zone；Lamp cap has the first connecting pin, the second connection end for being respectively used to be electrically connected with two poles, and the first pin, second pin are connect with the first connecting pin, second connection end respectively.The low-voltage LED filament lamp string is connected and fixed by LED wafer and first support and/or second support, and LED filament light bulb can still work when some LED filament being made short circuit or damage occur, to prevent the damage of LED filament light bulb, extends service life.

Description

A kind of low-voltage LED filament lamp string

Technical field

The utility model relates to light bulb field, especially a kind of low-voltage LED filament lamp string.

Background technique

There is revolutionary new light sources LED from 20th century, by feat of energy conservation and environmental protection, the advantages that service life is long becomes much more popular rapidly illumination Market, LED become the lighting source of the following mainstream, are widely used in commercial lighting, industrial lighting, outdoor lighting etc..But in the people With the development of illumination aspect compared with slow, for many people, LED light is a new type light source having never heard of. 2008 Year, Japanese oxtail light source, which is released, has reversed this with the appearance of the bulb-type lamps and lanterns " LED filament light bulb " of incandescent lamp prototype configuration LED One phenomenon, " traditional external form ", ' formula ' of upgrading, it is seen that it is exactly to be familiar with that the LED lamp that it is made into, which just can figure out it, Illuminator.Then using LED filament as the candle lamp of light source, Crystal lamp, lampshade lamp start largely occur and it is more and more Consumer received.

The form that screw lamp holder is defined in standard GB/T/T1406.1-2008 is right-handed thread.

Publication No. CN204962339U discloses a kind of inflation LED bulb, including blister, bracket and filament assembly；It is described Cavity is offered inside blister, is filled with heat-conducting gas in the cavity；The bracket fixed setting is in the cavity；It is described Filament assembly is located in the cavity, and the filament assembly includes the LED and wire of SMD or CSP encapsulation, the LED and institute State wire quantity be it is multiple, alternately connection forms chain, the both ends of the filament assembly for the LED and the wire It is fixedly connected on the bracket.

Existing LED bulb, when short circuit or damage occurs in filament, which then be can not work normally, to influence Service life.

Utility model content

In order to overcome the above problem, the utility model provides a kind of damage for preventing LED filament light bulb, prolongs the service life Low-voltage LED filament lamp string.

In order to achieve the above-mentioned advantages, the utility model provides a kind of low-voltage LED filament lamp string, comprising: power supply, multiple LED filaments Light bulb, the conducting wire for connecting to power supply multiple LED filament light bulbs, the LED filament light bulb include: LED filament, for should Lamp cap that LED filament is connect with the conducting wire, the lampshade being connected and fixed with the lamp cap, the LED filament include multiple LED wafers, First support and second support, the LED wafer are connected and fixed with the first support and/or the second support, the LED Chip both ends be electrically connected respectively with the first support and the second support or multiple LED wafers to be divided into multiple groups mutual Concatenated LED wafer, the LED wafer both ends being serially connected described in every group are electric with the first support and the second support respectively Connection, the first support and the second support are wrapped with photic zone, the first support and the second support from institute It states photic zone and extends outward the first pin and second pin；The lamp cap has the institute for being respectively used to be electrically connected with two poles State the first connecting pin, the second connection end, first pin, the second pin respectively with first connecting pin, institute State second connection end connection.

In one embodiment of the utility model, the power supply has power switch, the power supply and the LED filament There is the quick coupling being detachably connected connecting with the conducting wire between light bulb.

In one embodiment of the utility model, between the LED filament light bulb and another LED filament light bulb With the quick plug being detachably connected being connect with the conducting wire.

In one embodiment of the utility model, the second connection end is left hand thread structure.

In one embodiment of the utility model, the power supply is the plug with transformer.

In one embodiment of the utility model, the power supply is battery case.

In one embodiment of the utility model, the power supply is solar panel.

In one embodiment of the utility model, uniform amount two of first pin, the second pin, two A first pin and two second pins are located at the euphotic two sides.

In one embodiment of the utility model, first pin and the second pin are positioned at described euphotic The same side.

In one embodiment of the utility model, first pin, the second pin are located at described euphotic Two sides.

The low-voltage LED filament lamp string is connect by LED wafer with first support and/or second support in the present invention Fixed, LED filament bulb can still work when some LED filament being made short circuit or damage occur, to prevent LED light The damage of silk light bulb, extends service life.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of inflation LED bulb of the prior art.

Fig. 2 show the structural schematic diagram of the low-voltage LED filament lamp string of the utility model first embodiment.

Fig. 3 show the structural schematic diagram of the LED filament of the low-voltage LED filament lamp string of Fig. 1.

Fig. 4 show the first support of the LED filament of Fig. 3 and the structural schematic diagram of second support.

Fig. 5 show the partial enlarged view in the middle part of the first support and second support of Fig. 4.

Fig. 6 show the sectional view at the 1-1 and 2-2 of Fig. 5.

Fig. 7 show the structural schematic diagram of the LED filament of the utility model second embodiment.

Fig. 8 show the structural schematic diagram of the LED filament of the utility model 3rd embodiment.

Fig. 9 show the structural schematic diagram of the LED filament of the utility model fourth embodiment.

Figure 10 show the structural schematic diagram of the LED filament of the 5th embodiment of the utility model.

Figure 11 show the structural schematic diagram of the LED filament of the utility model sixth embodiment.

Figure 12 show the structural schematic diagram of the LED filament of the 7th embodiment of the utility model.

Figure 13 show the sectional view at the 3-3 of Figure 12.

Figure 14 show the low-voltage LED filament bulb structure schematic diagram of the 8th embodiment of the utility model.

Figure 15 show the low-voltage LED filament bulb structure schematic diagram of the 8th embodiment of the utility model.

Figure 16 show the cut-away illustration of the low-voltage LED filament bulb of Fig. 2.

Figure 17 show the cut-away illustration of the low-voltage LED filament bulb of the 9th embodiment of the utility model.

Figure 18 show the cut-away illustration of the low-voltage LED filament bulb of the tenth embodiment of the utility model.

Figure 19 show the cut-away illustration of the low-voltage LED filament bulb of the 11st embodiment of the utility model.

Figure 20 show the LED filament of the 12nd embodiment of the utility model and the structural schematic diagram of fixed part.

Figure 21 show the LED filament of the 13rd embodiment of the utility model and the structural schematic diagram of fixed part.

Figure 22 show the structural schematic diagram of the low-voltage LED filament bulb of the 14th embodiment of the utility model.

Figure 23 show the structural schematic diagram of the power supply of the low-voltage LED filament lamp string of the 15th embodiment of the utility model.

Figure 24 show the structural schematic diagram of the power supply of the low-voltage LED filament lamp string of the 16th embodiment of the utility model.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

Refer to Fig. 2, a kind of low-voltage LED filament lamp string of the utility model first embodiment, comprising: power supply F, multiple LED filament light bulb G, the conducting wire H for connecting multiple LED filament light bulb G with power supply F, LED filament light bulb G includes: LED Filament 6, the lamp cap 8 for the LED filament 6 to be connect with conducting wire H, the lampshade 7 being connected and fixed with the lamp cap 8.Power supply F is Plug with transformer.Power supply F has power switch F1, has and institute between the power supply F and the LED filament light bulb G State the quick coupling H1 of conducting wire H connection being detachably connected.The LED filament light bulb G and another LED filament light bulb G it Between there is the quick plug H2 being detachably connected that connect with the conducting wire H.Quick plug can be passed through between LED filament light bulb G H2 is quickly connected.

Fig. 3 is referred to, LED filament 6 includes: first support 10, second support 20, for fixing first support 10 and second The insulator 30 of bracket 20 wraps up the photic zone 40 at 20 middle part of first support 10 and second support.Insulator 30 is located at first Near the end of frame 10 and second support 20.Insulator 30 is preferably made of epoxy resin, and certain insulator 30 can be with It is made of plastics or rubber.

Refer to Fig. 4, first support 10 is divided for the first pin 11 and die bond portion 12, and the first pin 11 is located at die bond portion 12 Both ends, second support 20 includes second pin 21 and power supply 22, and second pin 21 is located at the both ends of power supply 22.First draws Foot 11 is used to connect with power supply circuit with second pin 21.Between first support 10 and second support 20 have gap, i.e., first 20 open circuit of bracket 10 and second support, it should be noted that the gap filling between first support 10 and second support 20 has light transmission Layer 40.LED filament 6 further includes multiple LED wafers 50, and multiple LED wafers 50 are uniformly fixed on 12 upper surface of die bond portion and line up one Column.In other embodiments, the lower surface of the first power supply is also fixed with multiple LED wafers 50.Photic zone 40 can be silica gel Fluorescent adhesive layer made of layer, epoxy resin layer, silica gel and fluorescent powder.

Fig. 5, Fig. 6 are referred to, die bond portion 12 is spaced apart die bond region A and join domain, the section of die bond region A Area is greater than the area of section of join domain, and the width of die bond region A is greater than the width of join domain.(width is the side x in Fig. 3 To length) LED wafer 50 is fixed on the upper surface of die bond region A.Area of section in the middle part of preferred die bond region A gradually court Area of section in the middle part of to join domain gradually continuously becomes smaller, first edge of the specific die bond portion 12 towards power supply 22 120 be waveform face, and first edge 120 is vertical with the fixed surface of LED wafer 50 in die bond portion 12, first edge 120 and die bond The section line on the surface of the fixed LED wafer 50 in portion 12 is sine curve x=A1sin (ω π y+ φ)+k1.Die bond region and connection Region is plate structure.

X be first edge 120 in one end perpendicular to the first power supply towards the variable of another extreme direction；

A1 is amplitude, and A1 can be 0.5mm.

Φ is first phase, phase when x=0；Then moving up and down for curve is reflected on coordinate system；

K1, k2 are offset distance, are reflected on coordinate system then moving left and right for curve；

ω is angular speed, the vibration frequency of controlling curve.

Power supply 22 is spaced apart third region C and the fourth region D, and the area of section of third region C is less than the 4th The area of section of region D, the width of third region C are less than the width of the fourth region D.Section in the middle part of preferred third region C Area is increasingly towards the area of section in the middle part of the fourth region D and gradually continuously becomes larger.Die bond region A is corresponding with third region C, The width of join domain such LED filament 6 corresponding with the fourth region D can be smaller, and LED wafer 50 is led to respectively in the present embodiment It crosses conducting wire H50a to be electrically connected with the third region C of the die bond region A in die bond portion 12, power supply 22, LED is brilliant in other embodiments Piece 50 is electrically connected by conducting wire H50a with the fourth region D of the die bond region A in die bond portion 12, power supply 22 respectively.

The second edge 220 of power supply 22 towards the first power supply 22 is also waveform face, second edge 220 and die bond portion The surface of 12 fixed LED wafers 50 is vertical, and second edge 220 and the section line on the surface of the fixed LED wafer 50 in die bond portion 12 are Sine curve x=A2sin (ω π y+ φ)+k2, wherein y be first edge 120 in one end of the first power supply towards the other end The variable in direction.

X be first edge 120 in one end perpendicular to the first power supply towards the variable of another extreme direction；

A2 is amplitude, and A1 is greater than A2；A2 can be 0.25mm.

Φ is first phase, phase when x=0；Then moving up and down for curve is reflected on coordinate system；

K1, k2 are offset distance, are reflected on coordinate system then moving left and right for curve；

ω is angular speed, the vibration frequency of controlling curve.

50 both ends of LED wafer are connect by conducting wire H50a with die bond portion 12 and power supply 22.

Refer to Fig. 7, in the present embodiment, the first pin 11 is located at one end of the first power supply, and second pin 21, which is located at, to be supplied The one end of electric portion far from the first pin 11.

Refer to Fig. 8, in the present embodiment, the first pin 11 is located at one end of the first power supply, and second pin 21, which is located at, to be supplied Electric portion is close to one end of the first pin 11.

Refer to Fig. 9, in the present embodiment, first power supply and power supply at 20 middle part of first support 10 and second support are Arc.

Referring to Figure 10, in the present embodiment, every two LED wafer is connected into one group of LED wafer, and the two of every group of LED wafer End is electrically connected with first support 10 and second support 20 respectively.Thus 6V can be can be according to power supply F.

Referring to Figure 11, in the present embodiment, every three LED wafers are connected into one group of LED wafer, and the two of every group of LED wafer End is electrically connected with first support 10 and second support 20 respectively.Thus 9V can be can be according to power supply F.

2, Figure 13 referring to Figure 1, in the present embodiment, first support 10 is identical with the structure of second support 20, first support 10 die bond region A is boss shape, is respectively and fixedly provided with multiple LED wafers in first support 10 and second support 20, the two of LED wafer End is electrically connected with first support 10 and second support 20 respectively.

4, Figure 15 referring to Figure 1, in the present embodiment, lampshade 7 is made of transparent glass or plastics.Lampshade 7 can arbitrarily become Change shape, color.Lampshade 7 is fixedly connected with lamp cap 8.

Referring to Figure 16, the lamp cap 8 has the first connecting pin 81, second for being respectively used to be electrically connected with the two poles of the earth power supply F Connecting pin 82, the second connection end 82 are left hand thread structure.One in first pin 11, the second pin 21 It is connect with first connecting pin 81, another in first pin 11, the second pin 21 is connect with described second 82 connection of end.Second connection end 82 is connect for preventing the lamp cap 8 from setting the unmatched power supply F of voltage with LED filament 6.

The screw thread of most light bulbs is right-handed thread on the market at present, and in contrast, second connection end 82 is in the company with lamp holder Connection error caused by mismatching because of screw thread is avoided in termination process, so as to avoid LED filament 6 because damaging caused by overtension It is bad.

First connecting pin 81 is arc 811 backwards to the end of lampshade 7, and first connecting pin 81 is connect with described second There is the insulation division 83 for preventing short circuit between end 82.

Referring to Figure 17, in the 9th embodiment of the utility model, pass through conductive wire 9 between multiple LED filaments 6 Connection, first pin 11 and the second pin 21 are located at the same side of the photic zone 40, the first pin 11 with it is another The first pin 11 connection 11 of LED filament 6, second pin 21 is connect with the second pin 21 of another LED filament 6.First pin 11, second pin 21 is electrically connected with the first connecting pin 81, second connection end 82 respectively by wire 9.The wire 9 can be used In fixed LED filament 6, LED filament 6 is made to be combined into a variety of moulding in lampshade 7.Wire 9 is also used to support multiple LED filaments 6, so that LED filament 6 is remained at 7 center of lampshade.The structure is relatively simple, and processing cost is lower.

Referring to Figure 18, in the tenth embodiment of the utility model, the quantity of the LED filament 6 is multiple, the LED First pin 11 on 6 top of filament, the first pin 11 of second pin 21 and adjacent 6 top of LED filament, second pin 21 Electrical connection.First pin 11 and the second pin 21 are located at the same side of the photic zone 40.First pin 11, Two pins 21 are electrically connected with the first connecting pin 81, second connection end 8281 respectively by wire 9.

Referring to Figure 19, in the 11st embodiment of the utility model, connected between multiple LED filaments 6 by wire 9 It connects, first pin 11 and the second pin 21 are located at the same side of the photic zone 40, first pin 11 and another LED The first pin 11 connection 11 of filament 6, second pin 21 is connect with the second pin 21 of another LED filament 6.First pin 11, Second pin 21 is electrically connected with the first connecting pin 81, second connection end 82 respectively by wire 9.First pin 11 and institute State second pin 21 and be located at 6 lower part of LED filament, the quantity of the LED filament 6 be it is multiple, 6 top of LED filament with Adjacent LED filament 6 is fixed by glue connection.

Refer to Figure 20, Figure 21, in the 12nd embodiment of the utility model, first pin 11, described second are drawn Foot 21 is located at the two sides of the photic zone 40, and the first pin 11 connect 11 with the first pin 11 of another LED filament 6, and second draws Foot 21 is connect with the second pin 21 of another LED filament 6.

The lamp cap or the lampshade 7 are equipped with fixed column 91, and the fixed column 91 is fixed with to be connect with described first respectively The first conducting wire HE1, the second the conducting wire HE2, the first conducting wire HE1 and described first that end 81, the second connection end 82 connect Pin 11 is electrically connected, and the second conducting wire HE2 is electrically connected with the second pin 21.Fixed column 91 is made of transparent glass. Wire 9 is then for fixing multiple LED filaments 6 and being electrically connected with second connection end 82, the first connecting pin 81.The structure is applicable in It is larger in volume, the more complicated low-voltage LED filament lamp string of structure.

Refer to Figure 22, in the 13rd embodiment of the utility model, LED filament 6 is contained in lampshade 7 and the formation of lamp cap 8 Chamber in.The LED filament 6 be U-shaped structure, uniform amount two of first pin 11 and the second pin 21, Two first pins 11 and two second pins 21 are located at 40 two sides of photic zone.First pin 11 with it is another The first pin 11 connection 11 of one LED filament 6, second pin 21 is connect with the second pin 21 of another LED filament 6.One end First pin 11 connects the first connecting pin 81, and the second pin 21 of the other end connects second connection end 82.First when one end draws When foot 11 and/or second pin 21 are not electrically connected with lamp cap 8, the first pin 11 and/or second pin 21 of the other end are still LED filament 6 can be made to be powered.Wire 9 is also used to preferably fix LED filament 6 simultaneously.

Currently, the low-voltage LED filament lamp string main exit U.S., since the mains voltage in the U.S. is 110V, the LED The setting voltage of filament 6 is also different from the 220V voltage of China, is low-voltage LED filament 6, to use in China, then needs to pacify Corresponding electronic transformer is filled to change power supply F voltage to adapt to the use condition of the low-voltage LED filament lamp string.

Because LED filament 6 be low pressure filament, so the second connection end 82 of left hand thread structure only with corresponding lamp holder Connection, causes the damage as caused by voltage overload of LED filament 6 so as to avoid because connecting conventional lamp socket.

Refer to Figure 23, in the 14th embodiment of the utility model, power supply F is battery case, and battery case surfaces have electricity Source switch.

Refer to Figure 24, in the 15th embodiment of the utility model, power supply F is solar panel.

In conclusion the low-voltage LED filament lamp string of the utility model at least has the advantage that

In the present invention since the area of section in die bond region is greater than join domain, in this way when 6 stress of LED filament The deformation of join domain is big, and the deformation in die bond region is small, and LED wafer 50 is just less likely to be damaged.

Even if in the present invention due to LED wafer 50 or the every group of part LED wafer 50 parallel with one another of LED wafer 50 damage Bad or conducting wire H damage will not result in LED filament 6 and damage completely.

In the present invention, 7 structure of lampshade of low-voltage LED filament lamp string is changeable, 11 He of the first pin of LED filament 6 The both ends that second pin 21 can be located at LED filament 6 can also be located at one end of LED filament 6, therefore the arrangement group of LED filament 6 simultaneously The moulding of conjunction is changeable, which is able to satisfy diversified demand.

In the present invention since LED lamp holder 8 has the second connection end 82 of left hand thread structure, the i.e. low-voltage LED Filament lamp string can only connect lamp holder corresponding with LED lamp holder 8, thus the damage of LED filament 6 caused by preventing because of connection error It is bad.

In the present invention, low-voltage LED filament lamp string passes through LED wafer 50 and first support 10 and/or second support 20 are connected and fixed, and LED filament light bulb G can still work when some LED filament 6 being made short circuit or damage occur, to prevent The damage of LED filament light bulb G, extends service life.

More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of low-voltage LED filament lamp string, comprising: power supply, multiple LED filament light bulbs are used for multiple LED filament light bulbs and electricity The conducting wire of source connection, the LED filament light bulb include: LED filament, the lamp cap for the LED filament to be connect with the conducting wire and are somebody's turn to do The lampshade that lamp cap is connected and fixed, which is characterized in that the LED filament includes multiple LED wafers, first support and second support, The LED wafer is connected and fixed with the first support and/or the second support, the LED wafer both ends respectively with it is described First support and second support electrical connection or multiple LED wafers are divided into the LED wafer that multiple groups are serially connected, and every group The LED wafer both ends being serially connected are electrically connected with the first support and the second support respectively, the first support It is wrapped with photic zone with the second support, the first support and the second support are extended outward from the photic zone First pin and second pin；There is the lamp cap the first connecting pin for being respectively used to be electrically connected with two poles, second to connect End, first pin, the second pin are connect with first connecting pin, the second connection end respectively.

2. low-voltage LED filament lamp string according to claim 1, which is characterized in that the power supply has power switch, described There is the quick coupling being detachably connected connecting with the conducting wire between power supply and the LED filament light bulb.

3. low-voltage LED filament lamp string according to claim 1, which is characterized in that the LED filament light bulb with it is another described There is the quick plug being detachably connected connecting with the conducting wire between LED filament light bulb.

4. low-voltage LED filament lamp string according to claim 1, which is characterized in that the second connection end is left hand thread Structure.

5. low-voltage LED filament lamp string according to claim 1, which is characterized in that the power supply is inserting with transformer Head.

6. low-voltage LED filament lamp string according to claim 1, which is characterized in that the power supply is battery case.

7. low-voltage LED filament lamp string according to claim 1, which is characterized in that the power supply is solar panel.

8. low-voltage LED filament lamp string according to claim 1, which is characterized in that first pin, the second pin Uniform amount two, two first pins and two second pins are located at the euphotic two sides.

9. low-voltage LED filament lamp string according to claim 1, which is characterized in that first pin and described second draws Foot is located at described euphotic the same side.

10. low-voltage LED filament lamp string according to claim 1, which is characterized in that first pin, described second are drawn Foot is located at the euphotic two sides.